baber/WOPTO huggingface dataset:
Patent KR-20090017142-A (KR)
Title: Contact structure of terminal pin for voice coil motor
Inventor: LEE JU HYUN
IPC: H02K13/00
Filed: 2007-08-14
Abstract: A contact structure of a terminal pin for voice coil motor is provided to prevent the terminal pin of a voice coil motor from being protruded to a camera module by contacting the terminal pin to a printed circuit board without soldering. In a contact structure of a terminal pin for voice coil motor, the terminal pin(300) is electrically connected with a voice coil motor(100) while having a slide structure so that the one end of the voice coil is leaded to inside of the motor. A printed circuit board installed to be corresponding to the other end of the terminal pin(200). A spring applies the elastic force to the terminal pin so that the end of the terminal pin is electrically connected with the printed circuit board.
Patent KR-20090020097-A (KR)
Title: Apparatus for removing moisture for oxygen generator
Inventor: SHIN GYOUNG CHEUL
IPC: B60H3/00
Filed: 2007-08-22
Abstract: An apparatus for removing water of an oxygen generator is provided to prevent water-containing oxygen from releasing into a room or vehicle by condensing and collecting water produced in an oxygen supply line during the supply of oxygen, thereby removing the collected water. An apparatus for removing water of an oxygen generator comprises an oxygen inflow pipe(10) which has an internal space, and of which one end is communicated with the internal space to flow oxygen into the inflow pipe, an oxygen exhaust pipe(20) which exhausts oxygen, an oxygen storage part(40) on which a water discharge pipe(30) is formed, which has the water discharge pipe connected to a bottom side thereof, and of which the bottom side is formed to be inclined toward the water discharge pipe in a downward direction, and a thermoelectric element installed such that one side of the thermoelectric element is exposed to the internal space of the oxygen storage part.
Patent KR-20090022007-A (KR)
Title: Multi-port semiconductor memory device
Inventor: OH CHI SUNG
IPC: G11C11/4096
Filed: 2007-08-29
Abstract: A multi port semiconductor memory device is provided to minimize a circuit configuration by dividing a memory capacity of common memory regions. A plurality of ports(30, 32) is installed to each processor in order to input/output data. A plurality of common memory regions(342, 343) is commonly accessed by an address, and has a predetermined memory density as a part of a total memory cell array. The address is supplied to each port. A pass control unit(360) operatively connects one common memory region among a plurality of common memory regions to a port requesting an access.
Patent KR-20090023807-A (KR)
Title: Mask cleaning equipment and method for cleaning mask
Inventor: SONG CHANG HYUN
IPC: H01L51/56
Filed: 2007-09-03
Abstract: A mask cleaning device and a method thereof are provided to prevent damage and re-contamination of a mask by performing an indirect shower rinse. A mask cleaning device(100) comprises one or more cleaning bath(110), a rinse shower bath(120), a dryer(130), a transfer device(140), and one or more rinse dipping bath. The cleaning bath stores a cleaning solution(115). The rinse shower bath includes a rinse guide(122) and a rinse injector(124). The rinse injector sprays the rinse solution to the rinse guide. The dryer dries an object. The transfer device transfers a mask between the cleaning bath and the dryer, and between the rinse shower bath and the dryer. The rinse dipping bath is arranged between the cleaning bath and the rinse shower bath, and stores the rinse solution.
Patent KR-20090026606-A (KR)
Title: Equipment for pick up of spacer tape
Inventor: GWON JIN HO
IPC: H01L21/48
Filed: 2007-09-10
Abstract: Equipment for pick up of spacer tape is provided to solve degree of difficulty and limit of the process by reducing the loop height of the metal wire. A spacer tape pickup device(200) includes more than one edge pad type semiconductor chip(210), a spacer tape(230) for laminating the other semiconductor chip on the edge pad-type semiconductor chip, and a pickup unit(202) transferring of the spacer tape and a metal wire (240) connecting the semiconductor chip and substrate. The edge portion of the pick-up unit is formed in order to press the metal wire while facing with the semiconductor chip.
Patent KR-20090027354-A (KR)
Title: A caulking structure of drain hose hookup for air conditioner
Inventor: JEONG CHANG HOON
IPC: F24F13/22
Filed: 2007-09-12
Abstract: A leakage preventing structure of a drain hose connection part in an air-conditioner is provided to prevent condensed water from leaking through the connection part of the drain hose and the joint pipe. A leakage preventing structure of a drain hose connection part in an air-conditioner comprises a drain hose guiding a drain path of condensed water discharged by a drain pump, a joint pipe(400) connecting the drain pump and the drain hose, and a leakage prevention unit provided in the joint pipe. The leakage prevention unit includes a leakage preventing member of elastic material inserted to the joint pipe, and a stopper restricting the joint position of the drain hose.
Patent KR-20090034115-A (KR)
Title: Wimax protocol conformance test supporting method
Inventor: JOUNG JIN SOUP
IPC: G06F11/26
Filed: 2007-10-02
Abstract: A WiMax(Worldwide Interoperability for Micro-wave Access) protocol conformance test supporting method is provided to insert and compile a unique tag ID in which various surrounding environment information is included when authenticating a measurement device in each test case of a protocol conformance test script, check whether each test case properly is tested based on the tag ID and perform protocol conformance test authentication, thereby improving reliability of a measurement device. A test case is performed(S10). A protocol conformance script file comprises the test case. The test case is compiled while the tag ID is adhered. The tag ID stores environment information when testing protocol conformance of a measurement device. The tag ID is searched in the test case(S22). The searched tag ID is compared with a tag ID existing in the tag ID list file. The tag ID is matched with the tag ID existing the tag ID list file, it is determined whether conformance check test is failed or passed according to test result(S30).
Patent KR-20090035847-A (KR)
Inventor: KIM HO SUNG
IPC: H01H19/02
Filed: 2007-10-08
Abstract: 전자 기기용 정보 입력 장치가 개시된다. 상기 정보 입력 장치는 반경방향으로 착자된 마그네트가 사용되므로, 마그네트의 외경을 줄일 수 있다. 따라서, 제품에 설치되는 기판 및 지지부재의 외경을 줄일 수 있으므로, 정보 입력 장치가 설치되는 제품의 설치공간을 줄일 수 있다. 또한, 반경방향으로 착자된 마그네트로 인해, 마그네트에서 발생되는 자속에 마그네트의 반경방향 외측으로 누설된다. 따라서, 마그네트의 축방향 상측에대부분이 위치되는 주변 기기들이 자속에 의한 영향을 상대적으로 덜 받게 된다.
Patent KR-20090038124-A (KR)
Title: Window and door produced by plastic including glass fiber
Inventor: CHO YANG HWAN
IPC: E06B3/78
Filed: 2007-10-15
Abstract: A window is provided to improve heat resistance and intensity by replacing the material of the reinforcing member with glass fiber reinforcing plastic. A window is made of a composite material including glass fiber and synthetic resin. The synthetic resin is made of one or more materials among unsaturated polyester, vinylester, epoxy, phenol, and acryl resin. The reinforcing member additionally is included in the composite material.
Patent KR-20090038207-A (KR)
Title: Communication and method of transmitting moving information therein
Inventor: YOON MU HY
IPC: H04M1/72403
Filed: 2007-10-15
Abstract: A communications device and a movement information transferring method for transmitting motion estimation by using location information are provided to use a location information providing service and virtual moving information. A mobile terminal(100) includes a wireless communications unit(110), a user input unit(130), a sensing part(140), an output unit(150), a memory(160), an interface unit(170), a controller(180) and a power supply unit(190). The wireless communications unit receives the location information. The wireless communications unit transmits the crustaceous motion estimation. The controller performs the control operation. Imaginary movement information selected between the stored crustaceous motion estimation is transmitted in a communications device registered by the location information providing service. A display unit displays the stored crustaceous motion estimation.
Patent KR-20090039185-A (KR)
Title: Spring installation device
Inventor: OH BONG HOON
IPC: B62D65/12
Filed: 2007-10-17
Abstract: A spring installation device is provided to improve the number of installed springs per unit time, and to prevent damage to the spring during installation. A spring installation device comprises a first cylinder(110) in which a first piston rod(111) is installed, a second cylinder(120) and a third cylinder(130) in which a second piston rod(121) and a third piston rod(131) are installed respectively, a jig(140) which is connected to the first piston rod and compresses a spring, and a housing(150) which is connected to the second and the third piston rod, surrounds the jig, and prevents the separation of the spring from the jig. The housing consists of two unit housings, having a pad(150c) contacting with the spring.
Patent KR-20090041293-A (KR)
Title: Liquid barcode and liquid barcode reader
Inventor: YOO JAE CHERN
IPC: G06K17/00
Filed: 2007-10-23
Abstract: A liquid barcode and a liquid barcode reader are provided to form a liquid barcode in a thin film type and make the liquid barcode impossible to be copied, thereby integrating liquid barcodes in a thin film. A liquid bar is formed by a chamber of a bar shape filled with liquid. A space bar is formed in a separated space between the liquid bars. The liquid bard and the space bar are combined in a plastic body, parallel arranged and integrated. The plastic body comprises a magnetic tape. The liquid bar is configured by nano particles having different sizes, nano particles having different concentration and nano particles having different 3D structures.
Patent KR-20090044915-A (KR)
Inventor: PARK HEE SIK
IPC: H01L27/115
Filed: 2007-11-01
Abstract: 본 발명은 레이저 빔(laser beam) 대신에 전기적인(electric) 방식으로 리페어 동작을 실시할 수 있는 퓨즈를 포함하는 비휘발성 메모리 소자 및 그 제조방법, 그리고 퓨즈 리페어 방법을 제공하기 위한 것으로, 이를 위해 본 발명은 메모리 셀과 퓨즈를 포함하는 비휘발성 메모리 소자에 있어서, 상기 퓨즈는 상기 메모리 셀과 동일한 터널링 절연막, 플로팅 게이트, 유전체막 및 콘트롤 게이트가 순차적으로 적층된 구조로 형성되고, 상기 플로팅 게이트는 제1 단자와 연결되며, 상기 콘트롤 게이트는 제2 단자와 연결된 비휘발성 메모리 소자를 제공한다. 
       
     비휘발성 메모리 소자, 낸드 플래시 메모리 소자, 퓨즈
Patent KR-20090045484-A (KR)
Inventor: SUNG IL HYU
IPC: H01H5/08
Filed: 2007-11-02
Abstract: 본 발명은 상용전원이 정전되었을 때 비상전원으로 즉시 전환시켜주고 또한 상용전원이 복귀되면 비상전원에서 상용전원으로 즉시 전환 시켜주는 자동전환 스위치에 있어서, 자동전환 스위치 몸체의 일측면에 형성되고 축공이 형성된 제어부판과; 일단은 상기 축공에 관통하고, 다른 일단은 몸체 측으로 연장되는 메인축과; 
     상기 제어부판의 외측으로 돌출된 메인축과 일체로 결합되고 하부에는 가이드공이 형성된 메인레바와; 상기 제어부판에 메인축의 양측으로 일정거리 이격되어 형성되는 한쌍의 고정핀과; 상기 고정핀에 일단이 링크되어 고정핀을 축으로 회전되고, 상기 메인레버의 측단에 밀착되어서 메인레버의 회전을 구속하도록 접점압착롤러가 형성된 접점압착레버철편과; 상기 접점압착레버철편을 상호 연결하는 압착스프링과; 일단은 상기 메인레버의 가이드공에 자유롭게 슬라이딩 되도록 연결되고, 다른 일단은 전달레버에 링크되어 상기 접점압착레버철편을 외측으로 밀어내고 메인레바를 밀어 올리는 밀대;를 포함하는 것을 특징으로 하는 자동전환 스위치의 전환장치에 관한 것이다. 
       
     자동 전환스위치, 전환장치, 메인레바, 메인축, 밀대, 압착스프링, 접점압착레버철편.
Patent KR-20090049372-A (KR)
Inventor: JANG CHAE KYU
IPC: G11C16/02
Filed: 2007-11-13
Abstract: 본 발명은 불휘발성 메모리 소자의 문턱전압 보상에 관한 것으로, 메모리 셀의 독출 동작시 상기 메모리 셀들을 포함하는 메모리 셀 어레이의 벌크에 설정된 전압을 제공하는 전압 제공부; 및 상기 메모리 셀의 문턱전압 변경에 따른 벌크 전압을 설정하여 제공하도록 상기 전압 제공부를 제어하는 제어부를 포함한다. 
       
     문턱전압 보상, 벌크전압, 프로그램 소거 사이클
Patent KR-20090049923-A (KR)
Inventor: IN JEONG SIK
IPC: H04B7/14
Filed: 2007-11-14
Abstract: 본 발명은 데이터 전송에 관한 것으로 특히, 중계 기능을 하는 기지국들을 포함하여 멀티홉(Multi hop)으로 구성되는 중계 시스템에서 기지국으로부터 최종 중계국 또는 이동 단말로 데이터를 전송하는 방법 및 이를 위한 시스템에 관한 것이다. 본 발명의 다수의 노드들로 구성되고, 상기 다수의 노드들 간에 양방향 데이터 전송이 이루어지는 멀티홉 중계 시스템에서 데이터 전송방법은 상기 다수의 노드들을 제1 내지 제4 노드 그룹들로 그룹핑하고, 프레임들에서 상기 그룹핑된 노드들의 데이터 전송 주기를 설정하는 과정과, 동일 전파영역에 속하는 제2 노드 그룹의 노드(제2 그룹 노드) 및 제3 노드 그룹의 노드(제3 그룹 노드)가 제1 프레임에서 상기 제2 그룹 노드가 상위 노드 그룹인 제1 노드 그룹의 노드(제1 그룹 노드)로부터 데이터를 수신하고, 동시에 상기 제3 노드 그룹의 노드(제3 그룹 노드)이 하위 노드 그룹인 제4 노드 그룹의 노드(제4 그룹 노드)로부터 데이터를 수신하는 과정과, 제2 프레임에서 상기 제2 그룹 노드가 상기 제1 그룹 노드로 데이터를 송신하고, 동시에 상기 제3 그룹 노드가 상기 제4 그룹 노드로 데이터를 송신하는 과정을 포함한다.  
       
       
     중계기능, 멀티홉, 데이터 전송순서, 전파영역, 간섭
Patent KR-20090051885-A (KR)
Inventor: YOU HONG KUEN
IPC: B43K8/02
Filed: 2007-11-20
Abstract: 본 발명은 소정길이를 갖는 배럴과; 상기 배럴의 하부에 삽입되고 내부에 잉크가 충전되어 있으며, 상단에는 외부로만 유출되도록 첵밸브가 형성된 카트리지와; 상기 카트리지 상단에 결합되고, 중앙에는 상기 첵밸브와 연통되어 카트리지 잉크가 유입될 수 있도록 유입공이 형성된 잉크탱크와; 상기 잉크탱크의 상단에 결합되고 중앙에 통공이 형성된 홀더와; 상기 홀더의 통공에 원뿔 형태의 머리부분의 일부가 삽입되어 걸리도록 설치되고, 상단에 유출공이 형성된 하우징과; 상기 하우징의 내부에 삽입되고 하단은 상기 홀더의 바닥에 지지되어 상기 하우징을 상향으로 탄성지지하는 스프링과; 상기 홀더에 결합되는 립홀더와; 상기 립홀더에 삽입 결합되는 립;을 포함하여 이루어진 것을 특징으로 하는 액상 보드마커에 관한 것이다. 
       
     보드마커, 카트리지, 잉크탱크, 하우징, 립
Patent KR-20090052215-A (KR)
Inventor: KIM SEON WOOK
IPC: G06F12/02
Filed: 2007-11-20
Abstract: 본 발명은 대용량 데이터를 복잡한 구성 없이도 저전력으로 스트리밍 할 수 있도록 한 무선 주파수 식별(RFID) 태그를 위한 데이터 스트리밍 장치에 관한 것으로, 이를 위하여 대용량 메모리를 세분하여 구성한 후 세분된 단위 메모리만을 순차적으로 선택 동작시키도록 함으로써, 저전력만으로도 대용량 데이터의 스트리밍 전송이 가능한 태그를 제조할 수 있는 효과가 있다. 
       
     RFID, 무선 주파수 식별, 태그, 저전력, 수동, 능동
Patent KR-20080047985-A (KR)
Title: Substrate processing apparatus and manufacturing method for a semiconductor device
Inventor: ABURATANI YUKINORI
IPC: H01L21/02
Filed: 2007-11-23
Abstract: A substrate processing apparatus and a method for manufacturing a semiconductor device are provided to mount or separate a door of a FOUP(Front Opening Unified Pod, hereinafter, referred to as pod) in the loading/unloading port for carrying the pod into and out of the case. A substrate processing apparatus includes a receiving container(2) receiving a plurality of substrates. A substrate loading/unloading port of the receiving container is shut by a lid. A loading/unloading port carries the receiving container into and out of a case. A placement unit places the receiving container in the loading/unloading port. A storage chamber(11b) is installed for the storage chamber to be adjacent to the loading/unloading port. The storage chamber stores the receiving container. An opening/closing device opens or closes the substrate loading/unloading port of the receiving container placed to the placement unit.
Patent KR-20090054629-A (KR)
Title: Apparatus for polishing super-precision micro balls
Inventor: ROH TAE YOUNG
IPC: B24B11/02
Filed: 2007-11-27
Abstract: A micro ball polishing device is provided to enable more precise polishing because the inner lower platen and outer lower platen respectively and independently rotate at the predetermined angular speed and process the ball to be processed. A micro ball polishing device comprises an inner lower platen(21) in which a downward inclined plane is formed along the upper peripheral part, an outer lower platen(22) in which incline is formed along the inner circumference of the upper side, an upper platen(30) which contacts the top of the ball to be processed and be inserted into a groove between the outer lower platen and the inner lower platen and polishes it, and a turning unit which independently rotates the inner lower platen and the outer lower platen.
Patent KR-20090054843-A (KR)
Title: Improvement device for line dim of liquid crystal display device
Inventor: KANG JEONG HO
IPC: G09G3/20
Filed: 2007-11-27
Abstract: An enhanced device for a line dim of a vertical line at each horizontal line of a liquid crystal display device are provided to prevent a line dim of vertical line at each horizontal line by compensating the amount of each charge to be uniform. In an enhanced device for a line dim of a vertical line at each horizontal line of a liquid crystal display device, a timing controller(41) compensates the amount of charge of each vertical line to be uniform by corresponding to the amount of the charge to each vertical line to one of REG data. A gate driving unit(42) responds to a gate signal control signal(GDC) from the timing controller, and outputs the gate signal to each gate line(GL1-GLn) of the liquid crystal panel(44). A data driver(43) response to a data signal control signal(DDC) from the timing controller, and supplies the pixel signal to each data line(DL1-DLm) of the liquid crystal panel.
Patent KR-20090056622-A (KR)
Title: Method and apparatus for analyzing binary data file and medium for storing for program for carrying out the method
Inventor: SHIN GYEONG SUK
IPC: G06F9/06
Filed: 2007-11-30
Abstract: A recording medium recording a binary data file analysis method which directly does not use the equipment using a binary data file and a configuration recording the format information of the binary data file and an apparatus thereof are provided to analyze the binary data file by analyzing the binary data file through the recorded file. A setting file is generated in a setting file generating unit(26). The setting file is stored in a setting file storage(28). According to the type of the variable included in the format information, the binary data file is analyzed. The analyzed result is displayed. The recording medium recording a binary data file analysis method directly does not use the equipment using a binary data file.
Patent KR-20090056695-A (KR)
Title: System and method for driving air conditioner of automobile
Inventor: LEE NAM HOON
IPC: B60H1/00
Filed: 2007-11-30
Abstract: A system and a method for driving an air conditioner of an automobile are provided to drive the air conditioner regardless of engine drive without affecting engine output by using residual electrical energy of the engine. A system for driving an air conditioner of an automobile comprises an electric refrigerant compression part(230), a power supply part(210) and a refrigerant compression controller(220). The electric refrigerant compression part is connected to a power generating part(201). The power generating part produces the electrical energy with the drive engine of a vehicle. The electric drive refrigerant compression part compresses the air conditioner refrigerant for the vehicle by using the electrical energy generated in the power generating part. The power supply part charges the electrical energy generated with the power generating part and supplies the charged electrical energy to the inside of the vehicle. The refrigerant compression controller is connected to the power supply part. The refrigerant compression controller controls the refrigerant compression of the electric refrigerant compression part according to the amount of the electrical energy generated in the power generating part.
Patent KR-20090059415-A (KR)
Title: 3d image display device
Inventor: HONG HYUNG KI
IPC: H04N13/00
Filed: 2007-12-06
Abstract: A 3D image display device is provided to improve optical efficiency by performing a 3D stereoscopic image having sense of depth through one display device. A 3D image display device(110) includes a display device(120), a polarizing plate(130), a first polarized light reflecting member(140), and a reflecting member(150). In the display device, a plurality of pixels is arranged into a matrix type. The polarizing plate is formed with formation in which a first polarizing pattern(130a) corresponds to a second polarizing pattern(130b). The first polarizing pattern covers a front side of the display device. The first polarizing pattern has a first polarizing axis corresponding to pixels of an odd column among a plurality of pixels. The second polarizing pattern has a second polarizing axis corresponding to pixels of an even column. The second polarizing axis is different from the first polarizing axis. The first polarizing light reflecting member is included on the polarizing plate. The reflecting member is parallel arranged with the first polarizing light reflecting member.
Patent KR-20090060024-A (KR)
Title: Network interface entity selection method of a mobility management entity
Inventor: BAEK SEUNG KWON
IPC: H04B7/26
Filed: 2007-12-07
Abstract: A network interworking entity selection method of a mobility management entity considering a network phase and the location of the mobile terminal is provided to select network interworking entity based on the environmental information having relation to the network interworking entity. A group including one or more network interworking entity is comprised in consideration of a service requirement of a mobile terminal and throughput performance of the network interworking entity(S120). The network interworking entity is picked between network interworking entities included in the group in consideration of location and net phase of the mobile terminal(S130). A network link object selection request message is received from the base station in a registration stage of the mobile terminal from the base station(S140). The network interworking individual selection requirement message comprises the base station identification information.
Patent KR-20090062850-A (KR)
Title: Stabilizer bar for automobile
Inventor: KIM HYUK
IPC: B60G21/05
Filed: 2007-12-13
Abstract: A stabilizer bar for vehicles is provided to restrain right and left wheels from moving independently while maintaining a specific function of the stabilizer bar. A stabilizer bar for vehicles comprises: a hollow central part(11) with a female serration part(11a); an arm part(12) with a male serration part(12a); and a serration gap formed between the female serration part and the male serration part. The central part and the arm part are integrally connected by a rubber bush(13). The central part has the constant width of grooves. The grooves have the constant rotation angle of projections.
Patent KR-20090064782-A (KR)
Title: Tool magazine of machine tool
Inventor: SEO SANG IL
IPC: B23Q3/00
Filed: 2007-12-17
Abstract: A tool magazine of a machine tool is provided to facilitate the separation of a tool although the tool gets jammed when the tool is deviated from a tool gripper or a tool port is separated from the tool. A tool magazine of a machine tool comprises a chain(13), a plurality of tool grippers(14), a movable body, a tool port(50), a first actuator(100), and a second actuator(200). The chain is glided on the outer circumference of a mainframe with the drive of a driving part installed at the mainframe. The tool gripper is mounted on the chain. The tool gripper accepts a tool(T). The movable body is installed at the one side of the mainframe. The movable body comprises an arm(32) at one end. The movable body performs elevation motion and swing motion with the drive of an elevation actuator and a swing actuator which are installed at the mainframe. The one end of the tool port is mounted on the arm. The tool is attached and detached to the inner side of the other end of the tool port. The first actuator is installed at the upper side of the arm. The first actuator gives blow to the tool mounted on the tool port. The second actuator is installed at the mainframe or a guide block(11a) installed at the upper side of the mainframe.
Patent KR-20090065732-A (KR)
Title: Hybrid heat-pump using microcontroller
Inventor: YUN HYEON IL
IPC: F25B1/00
Filed: 2007-12-18
Abstract: A hybrid heat pump capable of performing composite heat source control and four-season automatic switchover according to a microcontroller is provided to achieve the optimum thermal efficiency operation and maximize reliability of machine by using an automatic control algorithm based on PID(Proportional Integral Derivative) control. A hybrid heat pump capable of performing composite heat source control and four-season automatic switchover according to a microcontroller includes a compressor(100), a oil separator(110), a condenser(200), a liquid-gas heat exchanger(501), a liquid receiver(500), and an air-cooled evaporator(600). A circulating cycle is composed of a hot water solenoid valve(300), a hot water solenoid valve(301), a hot water solenoid valve(302), an air-cooled expansion valve(303), an air-cooled evaporator and a liquid-gas heat exchanger for simultaneously or respectively produce heating and hot water. A cycle is formed of a cold water evaporator(700), a cold water circulating pump(701), a cold water solenoid valve(400), a cold water solenoid valve(401), a cold water solenoid valve(402), a check valve(404) and a cold water expansion valve(403).